from django.contrib.auth.models import AbstractUser
from django.db import models

from itsdangerous import TimedJSONWebSignatureSerializer as TJWSSerializer, BadData
from django.conf import settings

# Create your models here.
from meiduo_mall.utils.models import BaseModel


class User(AbstractUser):
    """
    用户信息
    """
    mobile = models.CharField(max_length=11, unique=True, verbose_name='手机号')
    email_active = models.BooleanField(default=False, verbose_name='邮箱验证状态')
    default_address = models.ForeignKey('Address', related_name='users', null=True, blank=True,
                                        on_delete=models.SET_NULL, verbose_name='默认地址')

    class Meta:
        db_table= 'tn_users'
        verbose_name = '用户'
        verbose_name_plural = verbose_name

    # def generate_verify_email_url(self):
    #     """生成验证邮箱的url"""
    #     serializer = TJWSSerializer(settings.SECRET_KEY, 300)
    #     data = {'user_id':self.id, 'email':self.email}
    #     token = serializer.dumps(data).decode()
    #     verify_url = 'http://www.meiduo.site:8080/success_verify_email.html?token=' + token
    #     return verify_url
    #
    # @staticmethod
    # def check_verify_email_token(token):
    #     """检查验证邮件的token"""
    #     serializer = TJWSSerializer(settings.SECRET_KEY, 300)
    #     try:
    #         data = serializer.loads(token)
    #     except BadData:
    #         return None
    #
    #     else:
    #         email = data.get('email')
    #         user_id = data.get('user_id')
    #         try:
    #             user = User.objects.get(id=user_id, email=email)
    #         except User.DoesNotExist:
    #             return None
    #         else:
    #             return user


class Address(BaseModel):
    """用户地址"""
    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='addresses', verbose_name='用户')
    title = models.CharField(max_length=20, verbose_name='地址名称')
    receiver = models.CharField(max_length=20, verbose_name='收货人')
    province = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='province_addresses',
                                 verbose_name='省')
    city = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='city_addresses', verbose_name='市')
    district = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='district_addresses',
                                 verbose_name='区')
    place = models.CharField(max_length=50, verbose_name='地址')
    mobile = models.CharField(max_length=11, verbose_name='手机')
    tel = models.CharField(max_length=20, null=True, blank=True, default='', verbose_name='固定电话')
    email = models.CharField(max_length=30, null=True, blank=True, default='', verbose_name='电子邮箱')
    is_deleted = models.BooleanField(default=False, verbose_name='逻辑删除')

    class Meta:
        db_table = 'tb_address'
        verbose_name = '用户地址'
        verbose_name_plural = verbose_name
        ordering = ['-update_time']
